A Facile Pyrimidine Ring Cleavage: Corrections
โ Scribed by Taylor, Edward C.; Knopf, Robert J.; Cogliano, J. A.; Barton, J. W.; Pfleiderer, Wolfgang
- Book ID
- 126184025
- Publisher
- American Chemical Society
- Year
- 1961
- Tongue
- English
- Weight
- 96 KB
- Volume
- 83
- Category
- Article
- ISSN
- 0002-7863
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๐ SIMILAR VOLUMES
2-(Hexahydro-2-pyrimidinylidene)cycloalkanones 1 react with ethyl propiolate in alcoholic solution to give 9-(alkoxycarbonylalkyl)pyrido[1,2\_a]pyrimidines 3 via ring cleavage of cyclicketones.
The pronounced ability of sulfenes to add to electron-rich olefins by means of a cycloaddition pathway is now a well Imownphenomen~n.~ In particular, the addition of sulfenes to enamines has provided a valuable synthetic entry to 3-smindthietane dioxides.2 Such molecules, in contrast to J-sminocyclo
Abstmct: A ba.wpromotedcawersicn ofa tidal B@ intoa formyl alkyna andits convmien to a stemidal diyw is deaeribed. @ 1997Published by ElsevierScienceLtd. The enediyne antitumo r antibiotics derived fiombacterial sourceshavegenerated widespread interedd ueto DNA cleavage.However,the chemicaliuatsbili